A NOTE has been added to this issue. 
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http://austingroupbugs.net/view.php?id=1190 
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Reported By:                geoffclare
Assigned To:                
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Project:                    1003.1(2016)/Issue7+TC2
Issue ID:                   1190
Category:                   Base Definitions and Headers
Type:                       Clarification Requested
Severity:                   Comment
Priority:                   normal
Status:                     New
Name:                       Geoff Clare 
Organization:               The Open Group 
User Reference:              
Section:                    9.3.5 
Page Number:                184 
Line Number:                6089 
Interp Status:              --- 
Final Accepted Text:         
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Date Submitted:             2018-04-13 11:16 UTC
Last Modified:              2018-04-13 12:39 UTC
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Summary:                    backslash has two special meanings in the shell and
only loses one of them in bracket expressions
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 (0003954) kre (reporter) - 2018-04-13 12:39
 http://austingroupbugs.net/view.php?id=1190#c3954 
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Just to restate what I have said on the list, I don't think this is
the correct approach to solve the problem at all.

Much better would be to completely divorce this section (which deals
with regular expressions) from anything related to shell pattern
matching (glob patterns) which are superficially similar, but
really completely different, and should be described independently.

But if it is eventually decided to do it this way for some reason,
the examples should avoid the complication of needing \$ inside the
double quotes by simply using single quotes instead - none of them
are relying on the expansions that can happen in double quoted strings. 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2018-04-13 11:16 geoffclare     New Issue                                    
2018-04-13 11:16 geoffclare     Name                      => Geoff Clare     
2018-04-13 11:16 geoffclare     Organization              => The Open Group  
2018-04-13 11:16 geoffclare     Section                   => 9.3.5           
2018-04-13 11:16 geoffclare     Page Number               => 184             
2018-04-13 11:16 geoffclare     Line Number               => 6089            
2018-04-13 11:16 geoffclare     Interp Status             => ---             
2018-04-13 11:18 geoffclare     Desired Action Updated                       
2018-04-13 12:39 kre            Note Added: 0003954                          
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